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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [gold/] [testsuite/] [justsyms_1.cc] - Rev 820
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// justsyms_1.cc -- test --just-symbols for gold // Copyright 2008 Free Software Foundation, Inc. // Written by Ian Lance Taylor <iant@google.com>. // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // The Linux kernel builds an object file using a linker script, and // then links against that object file using the -R option. This is a // test for that usage. #include <cassert> #include <csignal> #include <cstddef> #include <cstdlib> #include <stdint.h> extern char justsyms_string[]; // We expect to get a SIGSEGV. static void handle_sigsegv(int) { exit(0); } int main(int, char**) { // The linker script should arrange for this symbol to be exactly at // address 0x10000. assert(reinterpret_cast<uintptr_t>(justsyms_string) == 0x100); // However, since the file was linked with --just-symbols, we should // not be able to actually access the symbol. signal(SIGSEGV, handle_sigsegv); char c = justsyms_string[0]; exit(c == '\0' ? 1 : c); }
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